2212222001201 has 6 divisors (see below), whose sum is σ = 2350007454870. Its totient is φ = 2082091294976.

The previous prime is 2212222001189. The next prime is 2212222001393. The reversal of 2212222001201 is 1021002222122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 297875808400 + 1914346192801 = 545780^2 + 1383599^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2212222001201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212222001201.

It is not an unprimeable number, because it can be changed into a prime (2212222001501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3827373416 + ... + 3827373993.

It is an arithmetic number, because the mean of its divisors is an integer number (391667909145).

Almost surely, 2^{2212222001201} is an apocalyptic number.

It is an amenable number.

2212222001201 is a deficient number, since it is larger than the sum of its proper divisors (137785453669).

2212222001201 is an equidigital number, since it uses as much as digits as its factorization.

2212222001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654747443 (or 7654747426 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2212222001201 its reverse (1021002222122), we get a palindrome (3233224223323).

The spelling of 2212222001201 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, one thousand, two hundred one".